With factual material presented in a lively style, this text presents everything you want to know about caves - how they are formed, who and what lives in them, and how they are explored by potholers.

Designed to amuse and intrigue the young reader, this addition to the I Wonder Why series answers many of the questions that children ask about deserts including: Are all deserts sandy, Why are cactuses spiny?, and Is there treasure in the desert?.

The best-selling I Wonder Why series has always been the perfect place for children to find the answers to their questions. With their quirky style and informative text, these books are great for gripping the imagination and for developing reading skills. Designed to amuse and intrigue the young reader, I Wonder Why Pine Trees Have Needles and Other Questions About Forests answers all sorts of fascinating questions that children ask about forests and woodlands, from tropical rainforests and unusual forests to forest animals such as hummingbirds, spider monkeys, woodpeckers and koalas. It also explains why forests help us to breathe, and looks at what can be done to save forests from danger. Illustrated with stunning, high-quality artwork, a wealth of information is backed up with fun facts and lively cartoons.

Covering everything you want to know about horses - and more, this title contains factual material presented in a lively style and accompanied by amusing cartoons.

This is a highly popular and long-running series that explores the questions that young readers ask about the world around them in an unrivalled child-friendly style. The conversational format is perfect for delivering solid information in a natural, amusing and imaginative way. "I Wonder Why Pine Trees Have Needles" answers questions about forests and woodlands around the world. Readers will meet forest animals such as hummingbirds, spider monkeys, woodpeckers and koalas, and also discover why forests help us to breathe and how forests can be saved from danger.